Unseen (The Vareatest threats are the ones unseen… For what seems like the first time, Elena and her friends are happy Elena and Stefan have built a home for themselves in Dalcrest, and all of Elena’s friends are as in love as she and Stefan are Even Da his favorite old haunts in Europe, and iswith Katherine But lately, Elena’s Guardian senses are on edge, and she can’t ignore the feeling that danger is co When a new threat arrives in Dalcrest, Elena’s worst fears beco a vicious Old One who is always just out of their reach And when Dae and mysterious enemy, Elena worries the attacks are linked As dark forces close in, Elena, Stefan, and Daether But their lives are hanging in the balance, and every moment they share could be their last…